| Type of Patent | Designation | Holdings | Format |
|---|---|---|---|
| Utility | Nonprefixed Number | 1790 - present | Microfilm and DVD |
| Design | Prefixed by "D" | 1842 - present | Microfilm and DVD |
| Plant | Prefixed by "P" | 1931 - present | Microfilm and Hard Copy |
| Patent Reissues (Formerly CDR File) |
Nonprefixed Number | 1983 - present | Microfilm |
| Defensive Publications | Prefixed by "T" | 1975 - present | Microfilm |
| SIR (Statutory Invention Registration) |
Prefixed by "H" | Microfilm | Microfilm and DVD |
